A Zero Sum Game is a game, economic, and decision-making theory in which a net change in wealth or benefit is zero: gain by one party is equivalent to other party’s loss (the winner takes all the stakes provided by the losers so that the algebraic sum of gains at any stage is zero). The Zero Sum Game is a mathematical framework for analysing the decision-making processes and strategies of adversaries. (e.g., Gambling, Financial Options and Futures market, and Contract parties) (Refer to the Positive Sum Game)

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